980  
CDUS41 KOKX 200630  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
230 AM EDT THU MAR 20 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MARCH 19 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 MM 69 2010 48 17 47  
MINIMUM 34 600 AM 0 1967 33 1 34  
AVERAGE 50 40 10 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.92 1998 0.15 -0.15 T  
MONTH TO DATE 2.90 2.79 0.11 5.51  
SINCE MAR 1 2.90 2.79 0.11 5.51  
SINCE JAN 1 7.22 9.74 -2.52 15.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1992 0.2 -0.2 0.0  
MONTH TO DATE 0.0 4.7 -4.7 0.0  
SINCE MAR 1 0.0 4.7 -4.7 0.0  
SINCE JUL 1 11.7 29.4 -17.7 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 24 -9 24  
MONTH TO DATE 409 510 -101 332  
SINCE MAR 1 409 510 -101 332  
SINCE JUL 1 3891 4229 -338 3671  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1100 PM  
LOWEST 20 100 PM  
AVERAGE 60  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 71 2010  
2012  
MINIMUM TEMPERATURE (F) 33 15 1967  
 
SUNRISE AND SUNSET  
MARCH 20 2025.........SUNRISE 655 AM EDT SUNSET 705 PM EDT  
MARCH 21 2025.........SUNRISE 654 AM EDT SUNSET 706 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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